Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Aug 1, 2021, 8:35 PM CDT for Clarke County, Mississippi. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 1, 2021, 8:35 PM CDT (01:35 UTC)
- Expired
- Aug 1, 2021, 9:00 PM CDT
- In force
- 25 min
- Issued by
- NWS Jackson, MS
County Clarke County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 138 km from the middle of the area, began a volume at 01:35 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 1.6 hours before the alert went out and 211 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 941 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1260 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
399
WWUS84 KJAN 020135
SPSJAN
Special Weather Statement
National Weather Service Jackson MS
835 PM CDT Sun Aug 1 2021
MSZ058-020200-
Clarke MS-
835 PM CDT Sun Aug 1 2021
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CLARKE COUNTY UNTIL
900 PM CDT...
At 835 PM CDT, Meteorologists were tracking a strong thunderstorm
near Middleton, or near Quitman, moving southeast at 20 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this storm.
This strong thunderstorm will be near...
Middleton around 840 PM CDT.
Sykes around 850 PM CDT.
Crandall around 900 PM CDT.
LAT...LON 3190 8847 3189 8848 3189 8851 3204 8884
3223 8870 3223 8843
TIME...MOT...LOC 0135Z 297DEG 18KT 3212 8868
$$
JNEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:21 PM CDT | Special Weather Statement | JAN | Clay, Lowndes | 24 min |
| Aug 1, 7:43 PM CDT | Special Weather Statement | JAN | Clarke | 47 min |
| Aug 1, 7:53 PM CDT | Special Weather Statement | JAN | Newton | 52 min |
| Aug 1, 8:03 PM CDT | Special Weather Statement | JAN | Clarke | 27 min |
| Aug 1, 8:27 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale, Newton | 48 min |
| Aug 1, 8:55 PM CDT | Special Weather Statement | JAN | Holmes | 50 min |
| Aug 1, 11:48 PM CDT | Special Weather Statement | JAN | Warren | 27 min |
| Aug 2, 4:13 PM CDT | Flash Flood Warning | JAN | Forrest, Lamar | 2 hr |
Nearby
Special Weather Statements in Mississippi, 2021Every special weather statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.